Home / 33,332.04-45,961.56-21,390.84

Finding the Fourth Proportional to 33,332.04, 45,961.56 and 21,390.84

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Solution

The fourth proportional to 33,332.04, 45,961.56 and 21,390.84 is: 29,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,332.04 : 45,961.56 = 21,390.84 : x
  2. Step 2: Convert to fraction form
    33,332.04/45,961.56 = 21,390.84/x
  3. Step 3: Cross multiply
    33,332.04x = 45,961.56 × 21,390.84
  4. Step 4: Simplify right side
    33,332.04x = 983,156,376.11
  5. Step 5: Solve for x
    x = 983,156,376.11/33,332.04
  6. Step 6: Final answer
    x = 29,495.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.